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https://github.com/moodle/moodle.git
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MDL-18223 merged spam cleaner into head + removed legacy code + fixed report title
This commit is contained in:
skodak
parent
ff08798b11
commit
2e3f66d728
367
admin/report/spamcleaner/index.php
Executable file
367
admin/report/spamcleaner/index.php
Executable file
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<?php
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/**
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* Spam Cleaner
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*
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* Helps an admin to clean up spam in Moodle
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*
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* @version $Id$
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* @authors Dongsheng Cai, Martin Dougiamas, Amr Hourani
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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*/
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// Configuration
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// List of known spammy keywords, please add more here
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$autokeywords = array(
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"<img",
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"fuck",
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"casino",
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"porn",
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"xxx",
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"cialis",
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"viagra",
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"poker",
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"warcraft"
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);
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/////////////////////////////////////////////////////////////////////////////////
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require_once('../../../config.php');
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require_once($CFG->libdir.'/adminlib.php');
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require_js(array('yui_dom-event', 'yui_connection', 'yui_json'));
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$keyword = optional_param('keyword', '', PARAM_RAW);
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$autodetect = optional_param('autodetect', '', PARAM_RAW);
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$del = optional_param('del', '', PARAM_RAW);
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$delall = optional_param('delall', '', PARAM_RAW);
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$ignore = optional_param('ignore', '', PARAM_RAW);
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$reset = optional_param('reset', '', PARAM_RAW);
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$id = optional_param('id', '', PARAM_INT);
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require_login();
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admin_externalpage_setup('reportspamcleaner');
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// Implement some AJAX calls
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// Delete one user
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if (!empty($del) && confirm_sesskey() && ($id != $USER->id)) {
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if (isset($SESSION->users_result[$id])) {
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$user = $SESSION->users_result[$id];
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if (delete_user($user)) {
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unset($SESSION->users_result[$id]);
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echo json_encode(true);
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} else {
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echo json_encode(false);
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}
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} else {
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echo json_encode(false);
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}
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exit;
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}
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// Delete lots of users
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if (!empty($delall) && confirm_sesskey()) {
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if (!empty($SESSION->users_result)) {
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foreach ($SESSION->users_result as $userid => $user) {
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if ($userid != $USER->id) {
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if (delete_user($user)) {
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unset($SESSION->users_result[$userid]);
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}
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}
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}
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}
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echo json_encode(true);
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exit;
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}
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if (!empty($ignore)) {
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unset($SESSION->users_result[$id]);
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echo json_encode(true);
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exit;
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}
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admin_externalpage_print_header();
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// Print headers and things
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print_spamcleaner_javascript();
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print_box(get_string('spamcleanerintro', 'report_spamcleaner'));
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print_box_start(); // The forms section at the top
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?>
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<div class="mdl-align">
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<form method="POST">
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<input type="text" name="keyword" id="keyword_el" value="<?php p($keyword) ?>" />
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<input type="hidden" name="sesskey" value="<?php echo sesskey();?>" />
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<input type="submit" value="<?php echo get_string('spamsearch', 'report_spamcleaner')?>" />
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</form>
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<p><?php echo get_string('spameg', 'report_spamcleaner');?></p>
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<hr />
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<form method="POST">
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<input type="submit" name="autodetect" value="<?php echo get_string('spamauto', 'report_spamcleaner');?>" />
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</form>
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</div>
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<?php
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print_box_end();
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echo '<div id="result" class="mdl-align">';
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// Print list of resulting profiles
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if (!empty($keyword)) { // Use the keyword(s) supplied by the user
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$keywords = explode(',', $keyword);
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foreach ($keywords as $key => $keyword) {
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$keywords[$key] = trim($keyword);
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}
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search_spammers($keywords);
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} else if (!empty($autodetect)) { // Use the inbuilt keyword list to detect users
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search_spammers($autokeywords);
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}
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echo '</div>';
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/////////////////////////////////////////////////////////////////////////////////
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/// Functions
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function search_spammers($keywords) {
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global $CFG, $USER, $DB;
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if (!is_array($keywords)) {
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$keywords = array($keywords); // Make it into an array
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}
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$like = $DB->sql_ilike();
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$keywordfull = array();
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foreach ($keywords as $keyword) {
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$keyword = addslashes($keyword); // Just to be safe
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$keywordfull[] = " description $like '%$keyword%' ";
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$keywordfull2[] = " p.summary $like '%$keyword%' ";
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}
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$conditions = '( '.implode(' OR ', $keywordfull).' )';
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$conditions2 = '( '.implode(' OR ', $keywordfull2).' )';
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$sql = "SELECT * FROM {user} WHERE deleted = 0 AND id <> {$USER->id} AND $conditions"; // Exclude oneself
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$sql2= "SELECT u.*, p.summary FROM {user} AS u, {post} AS p WHERE $conditions2 AND u.deleted = 0 AND u.id=p.userid AND u.id <> {$USER->id}";
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$spamusers_desc = $DB->get_recordset_sql($sql);
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$spamusers_blog = $DB->get_recordset_sql($sql2);
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$keywordlist = implode(', ', $keywords);
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print_box(get_string('spamresult', 'report_spamcleaner').s($keywordlist)).' ...';
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print_user_list(array($spamusers_desc, $spamusers_blog), $keywords);
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}
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function print_user_list($users_rs, $keywords) {
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global $CFG, $SESSION;
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// reset session everytime this function is called
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$SESSION->users_result = array();
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$count = 0;
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foreach ($users_rs as $rs){
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foreach ($rs as $user) {
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if (!$count) {
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echo '<table border="1" width="100%" id="data-grid"><tr><th> </th><th>'.get_string('user','admin').'</th><th>'.get_string('spamdesc', 'report_spamcleaner').'</th><th>'.get_string('spamoperation', 'report_spamcleaner').'</th></tr>';
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}
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$count++;
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filter_user($user, $keywords, $count);
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}
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}
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if (!$count) {
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echo get_string('spamcannotfinduser', 'report_spamcleaner');
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} else {
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echo '</table>';
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echo '<div class="mld-align">
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<button id="removeall_btn">'.get_string('spamdeleteall', 'report_spamcleaner').'</button>
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</div>';
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}
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}
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function filter_user($user, $keywords, $count) {
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global $CFG;
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$image_search = false;
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if (in_array('<img', $keywords)) {
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$image_search = true;
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}
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if (isset($user->summary)) {
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$user->description = '<h3>'.get_string('spamfromblog', 'report_spamcleaner').'</h3>'.$user->summary;
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unset($user->summary);
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}
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if (preg_match('#<img.*src=[\"\']('.$CFG->pixpath.')#', $user->description, $matches)
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&& $image_search) {
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$result = false;
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foreach ($keywords as $keyword) {
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if (preg_match('#'.$keyword.'#', $user->description)
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&& ($keyword != '<img')) {
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$result = true;
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}
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}
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if ($result) {
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echo print_user_entry($user, $keywords, $count);
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} else {
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unset($user);
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}
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} else {
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echo print_user_entry($user, $keywords, $count);
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}
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}
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function print_user_entry($user, $keywords, $count) {
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global $SESSION, $CFG;
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$smalluserobject = new object; // All we need to delete them later
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$smalluserobject->id = $user->id;
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$smalluserobject->email = $user->email;
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$smalluserobject->auth = $user->auth;
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$smalluserobject->firstname = $user->firstname;
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$smalluserobject->lastname = $user->lastname;
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if (empty($SESSION->users_result[$user->id])) {
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$SESSION->users_result[$user->id] = $smalluserobject;
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$html = '<tr valign="top" id="row-'.$user->id.'" class="result-row">';
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$html .= '<td width="10">'.$count.'</td>';
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$html .= '<td width="30%" align="left"><a href="'.$CFG->wwwroot."/user/view.php?course=1&id=".$user->id.'" title="'.$user->username.'">'.fullname($user).'</a>';
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$html .= "<ul>";
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$profile_set = array('city'=>true, 'country'=>true, 'email'=>true);
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foreach ($profile_set as $key=>$value) {
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if (isset($user->$key)){
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$html .= '<li>'.$user->$key.'</li>';
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}
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}
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$html .= "</ul>";
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$html .= '</td>';
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foreach ($keywords as $keyword) {
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$user->description = format_text(highlight($keyword, $user->description), FORMAT_MOODLE);
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}
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$html .= '<td align="left">'.$user->description.'</td>';
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$html .= '<td width="100px" align="center">';
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$html .= '<button onclick="del_user(this,'.$user->id.')">'.get_string('deleteuser', 'admin').'</button><br />';
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$html .= '<button onclick="ignore_user(this,'.$user->id.')">'.get_string('ignore', 'admin').'</button>';
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$html .= '</td>';
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$html .= '</tr>';
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return $html;
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} else {
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return null;
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}
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}
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function print_spamcleaner_javascript() {
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$sesskey = sesskey();
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?>
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<script type="text/javascript">
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var row = null;
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var delall_cb = {
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success: function(o){
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try {
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var resp = YAHOO.lang.JSON.parse(o.responseText);
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} catch(e) {
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alert('<?php echo get_string('spaminvalidresult', 'report_spamcleaner');?>');
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return;
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}
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if(resp == true){
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window.location.href=window.location.href;
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}
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}
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}
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function init() {
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YAHOO.util.Event.addListener("removeall_btn", "click", function(){
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var yes = confirm('<?php echo get_string('spamdeleteallconfirm', 'report_spamcleaner');?>');
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if(yes){
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var cObj = YAHOO.util.Connect.asyncRequest('POST', '<?php echo me();?>?delall=yes&sesskey=<?php echo $sesskey;?>', delall_cb);
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}
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});
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}
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var del_cb = {
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success: function(o) {
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try {
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var resp = YAHOO.lang.JSON.parse(o.responseText);
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} catch(e) {
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alert('<?php echo get_string('spaminvalidresult', 'report_spamcleaner');?>');
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return;
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}
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if(row) {
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if(resp == true){
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while(row.tagName != 'TR') {
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row = row.parentNode;
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}
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row.parentNode.removeChild(row);
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row = null;
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} else {
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alert('<?php echo get_string('spamcannotdelete', 'report_spamcleaner');?>');
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}
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}
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}
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}
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var ignore_cb = {
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success: function(o){
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try {
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var resp = YAHOO.lang.JSON.parse(o.responseText);
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} catch(e) {
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alert('<?php echo get_string('spaminvalidresult', 'report_spamcleaner');?>');
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return;
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}
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if(row) {
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if(resp == true){
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while(row.tagName != 'TR') {
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row = row.parentNode;
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}
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row.parentNode.removeChild(row);
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row = null;
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}
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}
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}
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}
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function del_user(obj, id) {
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var yes = confirm('<?php echo get_string('spamdeleteconfirm', 'report_spamcleaner');?>');
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if(yes){
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row = obj;
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var cObj = YAHOO.util.Connect.asyncRequest('POST', '<?php echo me();?>?del=yes&sesskey=<?php echo $sesskey;?>&id='+id, del_cb);
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}
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}
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function ignore_user(obj, id) {
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row = obj;
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var cObj = YAHOO.util.Connect.asyncRequest('POST', '<?php echo me();?>?ignore=yes&sesskey=<?php echo $sesskey;?>&id='+id, ignore_cb);
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}
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YAHOO.util.Event.onDOMReady(init);
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</script>
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<?php
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}
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admin_externalpage_print_footer();
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?>
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5
admin/report/spamcleaner/settings.php
Normal file
5
admin/report/spamcleaner/settings.php
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<?php
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// spam cleaner
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$ADMIN->add('reports', new admin_externalpage('reportspamcleaner', get_string('spamcleaner', 'report_spamcleaner'), "$CFG->wwwroot/$CFG->admin/report/spamcleaner/index.php", 'moodle/site:config'));
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17
lang/en_utf8/report_spamcleaner.php
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17
lang/en_utf8/report_spamcleaner.php
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<?php
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$string['spamauto'] = 'Autodetect common spam patterns';
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$string['spamcannotdelete'] = 'Cannot delete this user';
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$string['spamcannotfinduser'] = 'No users matching your search';
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$string['spamcleaner'] = 'Spam cleaner';
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$string['spamcleanerintro'] = 'This script allows you to search all user profiles for certain strings and then delete those accounts which are obviously created by spammers. You can search for multiple keywords using commas (eg casino, porn)<br /><br />Moodle docs has more information about <a href=\"http://docs.moodle.org/en/Reducing_spam_in_Moodle\">Reducing spam in Moodle</a>.';
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$string['spamdesc'] = 'Description';
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$string['spamdeleteall'] = 'Delete all these user accounts';
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$string['spamdeleteconfirm'] = 'Are you sure you want to delete this entry? You can not undo this.';
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$string['spamdeleteallconfirm'] = 'Are you sure you want to delete all these user accounts? You can not undo this.';
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$string['spameg'] = 'eg: casino, porn, xxx ';
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$string['spamfromblog'] = 'From blog post:';
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$string['spaminvalidresult'] = 'Unknown but invalid result';
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$string['spamoperation'] = 'Operation';
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$string['spamresult'] = 'Results of searching user profiles containing: ';
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$string['spamsearch'] = 'Search for these keywords';
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?>
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